| ??? 02/20/07 00:40 Read: times |
#133274 - I covered this Responding to: ???'s previous message |
Kai Klaas said:
As is the brightness of LEDs at high currents, too! Please read my entire post before replying. For your convenience here is the final paragraph of the post you replied to (emphasis added): Chris Kelly said:
However, don't expect that doubling the current will get the 1/8 duty back to "full" perceived brightness, because the output of the LEDs wrt current is also non-linear. Also: Kai Klaas said:
The only sense of using multiplexing, if at all, is the save of number of chips. There's no other advantage, but only disadvantages! This is only true if you are trying to extract absolute maximum brightness from a LED. If you have "headroom" and can operate the LED closer to its linear region, then you can use multiplexing to increase your efficiency. |
